Solve it and explain why the others are incorrect

7. The female gametophyte of an angiosperm consists of A an archegonium developing from nuclear tissue B. the entire ovule inside the ovary C. consists of a large sac with 8 nuclei in 7 cells D. a pistil E. a large multicellular nuclear mass developing on the sporophyll 8. Fertilization in angiosperms is characterized as internal fertilization double fertilization C. endosporic fertilization D. redundant fertilization E. None of these 9, The unique products of double fertilization in angiosperms are A. a seed B. a seed with reserve food stored for developing embryos C) a seed with a diploid embryo and polyploid endosperm D. a seed produced on an exposed sporophyll E. a seed protected by woody cone scales 10. The floral parts are attached to an apical portion of the flowering stem called the A carpel. Byreceptacle. C. stamen. D. corolla. E. inflorescence. 11. These flower parts are generally green and leaflike. A. petals B )sepals C. stamens D. carpets E. stigmas 12. Pollen is produced in this flower part A. sepal B. petal C. stamen D. carpel Danther 13. Pollen grains adhere to the of the flower. A stigma B. style C. carpel D. stamen E. anther 14. A monoecious plant A. has flowers with both male and female parts. B) has separate male and female flowers on the same plant